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Financing Receivables (Schedule Of Assets Under Lease Receivables) (Detail) $ in Millions | 6 Months Ended
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Jun. 30, 2017 USD ($) MW
Powerton Station Units 5 And 6 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | IL |
Gross Investment | $ | $ 134 |
% Owned | 64.00% |
Total MW | MW | 1,538 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | BB- |
Counterparty | NRG Energy, Inc. |
Joliet Station Units 7 And 8 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | IL |
Gross Investment | $ | $ 83 |
% Owned | 64.00% |
Total MW | MW | 1,036 |
Fuel Type | Gas |
Counterparties’ S&P Credit Ratings | BB- |
Counterparty | NRG Energy, Inc. |
Keystone Station Units 1 And 2 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 20 |
% Owned | 17.00% |
Total MW | MW | 1,711 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | CC (A) | [1]
Counterparty | REMA |
Conemaugh Station Units 1 And 2 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 20 |
% Owned | 17.00% |
Total MW | MW | 1,711 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | CC (A) | [1]
Counterparty | REMA |
Shawville Station Units 1, 2, 3 And 4 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 91 |
% Owned | 100.00% |
Total MW | MW | 596 |
Fuel Type | Gas |
Counterparties’ S&P Credit Ratings | CC (A) | [1]
Counterparty | REMA |
[1] | y

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- Definition Lease Receivable, Asset, Fuel Type + References No definition available. + Details
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- Definition Lease Receivable, Asset Location + References No definition available. + Details
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- Definition Lease receivable counterparties credit ratings + References No definition available. + Details
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- Definition Lease Receivable, Gross Investment + References No definition available. + Details
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- Definition Schedule of Financial Receivables [Line Items] + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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